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Finding the Fourth Proportional to 7,973.98, 11,003.93 and 4,617.39

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Solution

The fourth proportional to 7,973.98, 11,003.93 and 4,617.39 is: 6,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.98 : 11,003.93 = 4,617.39 : x
  2. Step 2: Convert to fraction form
    7,973.98/11,003.93 = 4,617.39/x
  3. Step 3: Cross multiply
    7,973.98x = 11,003.93 × 4,617.39
  4. Step 4: Simplify right side
    7,973.98x = 50,809,436.34
  5. Step 5: Solve for x
    x = 50,809,436.34/7,973.98
  6. Step 6: Final answer
    x = 6,371.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.